Mechanical pencil



FIG. 1 is a perspective view of a mechanical pencil showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a sectional view thereof taken along line 7--7 in FIG. 2. 

The ornamental design for a mechanical pencil, as shown and described. 